MY154954A - Content playback device - Google Patents
Content playback deviceInfo
- Publication number
- MY154954A MY154954A MYPI20050939A MYPI20050939A MY154954A MY 154954 A MY154954 A MY 154954A MY PI20050939 A MYPI20050939 A MY PI20050939A MY PI20050939 A MYPI20050939 A MY PI20050939A MY 154954 A MY154954 A MY 154954A
- Authority
- MY
- Malaysia
- Prior art keywords
- key
- content
- control unit
- playback device
- generation information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
- G11B20/00181—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software using a content identifier, e.g. an international standard recording code [ISRC] or a digital object identifier [DOI]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00224—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00347—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier wherein the medium identifier is used as a key
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
TO PROVIDE A CONTENT PLAYBACK DEVICE (100) CAPABLE OF PROTECTING CONTENT ACCORDING TO DRM, WHEN DECRYPTING ENCRYPTED CONTENT RECORDED ON A RECORDING MEDIUM (200) AND PLAYING THE DECRYPTED CONTENT. IF KEY GENERATION INFORMATION IS ?00?, A KEY CONTROL UNIT (104) CONCATENATES A DECRYPTED MEDIA KEY AND CONTENT INFORMATION IN THIS ORDER, AND APPLIES A ONE-WAY FUNCTION TO THE CONCATENATION RESULT TO GENERATE A CONTENT KEY. IF THE KEY GENERATION INFORMATION IS ?10?, THE KEY CONTROL UNIT (104) SETS A RIGHTS KEY AS THE CONTENT KEY. IF THE KEY GENERATION INFORMATION IS ?01?, THE KEY CONTROL UNIT (104) CONCATENATES THE DECRYPTED MEDIA KEY AND THE RIGHTS KEY IN THIS ORDER, AND APPLIES A ONE-WAY FUNCTION TO THE CONCATENATION RESULT TO GENERATE THE CONTENT KEY.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004066182 | 2004-03-09 | ||
US10/796,972 US7715558B2 (en) | 2004-03-11 | 2004-03-11 | Encrypted-content recording medium, playback apparatus, and playback method |
Publications (1)
Publication Number | Publication Date |
---|---|
MY154954A true MY154954A (en) | 2015-08-28 |
Family
ID=34921744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI20050939A MY154954A (en) | 2004-03-09 | 2005-03-08 | Content playback device |
Country Status (7)
Country | Link |
---|---|
US (2) | US7933409B2 (en) |
EP (2) | EP3154058B1 (en) |
JP (1) | JP4778897B2 (en) |
CN (1) | CN1930625B (en) |
MY (1) | MY154954A (en) |
TW (1) | TWI379573B (en) |
WO (1) | WO2005086160A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7831516B2 (en) * | 1992-12-15 | 2010-11-09 | Sl Patent Holdings Llc | System and method for redistributing and licensing access to protected information among a plurality of devices |
US8359332B1 (en) | 2004-08-02 | 2013-01-22 | Nvidia Corporation | Secure content enabled drive digital rights management system and method |
US8402283B1 (en) | 2004-08-02 | 2013-03-19 | Nvidia Corporation | Secure content enabled drive system and method |
CN100535919C (en) | 2004-08-20 | 2009-09-02 | 松下电器产业株式会社 | Content reproducing device and content reproducing method |
TWI277870B (en) * | 2004-11-22 | 2007-04-01 | Toshiba Corp | Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium |
US8751825B1 (en) * | 2004-12-15 | 2014-06-10 | Nvidia Corporation | Content server and method of storing content |
US8788425B1 (en) | 2004-12-15 | 2014-07-22 | Nvidia Corporation | Method and system for accessing content on demand |
US8346807B1 (en) | 2004-12-15 | 2013-01-01 | Nvidia Corporation | Method and system for registering and activating content |
US8875309B1 (en) | 2004-12-15 | 2014-10-28 | Nvidia Corporation | Content server and method of providing content therefrom |
US8893299B1 (en) | 2005-04-22 | 2014-11-18 | Nvidia Corporation | Content keys for authorizing access to content |
EP1969519A2 (en) * | 2005-12-26 | 2008-09-17 | Koninklijke Philips Electronics N.V. | Method and device for rights management |
CN101529462A (en) * | 2006-07-25 | 2009-09-09 | 索尼电子有限公司 | Method and system for providing a content subscription service |
CN101022028B (en) * | 2007-01-12 | 2010-08-18 | 炬力集成电路设计有限公司 | Quick forward or quick backward method for digital copyright management multimedia player |
JP5110942B2 (en) * | 2007-04-06 | 2012-12-26 | 株式会社日立製作所 | Information protection system |
KR101394149B1 (en) * | 2007-09-06 | 2014-05-26 | 삼성전자주식회사 | Method and apparatus for protecting content consumer's privacy |
WO2010098640A2 (en) * | 2009-02-26 | 2010-09-02 | 엔에이치엔비지니스플랫폼 주식회사 | User control based advertising system and method thereof |
KR101824544B1 (en) * | 2010-12-06 | 2018-02-02 | 삼성전자주식회사 | Apparatus and method for trading digital contents in digital contents management system |
US8954722B2 (en) * | 2011-03-04 | 2015-02-10 | Broadcom Corporation | Enforcing software updates in an electronic device |
US9118966B2 (en) * | 2011-03-04 | 2015-08-25 | Broadcom Corporation | Enforcing software independent content protection in an electronic device during transcoding |
US9197407B2 (en) | 2011-07-19 | 2015-11-24 | Cyberlink Corp. | Method and system for providing secret-less application framework |
JP5915046B2 (en) * | 2011-09-15 | 2016-05-11 | ソニー株式会社 | Information processing apparatus, information processing method, and program |
US8782440B2 (en) * | 2012-08-15 | 2014-07-15 | International Business Machines Corporation | Extending the number of applications for accessing protected content in a media using media key blocks |
JP7412445B2 (en) * | 2019-12-11 | 2024-01-12 | 藤原 大介 | Content duplication device, access control device and access control program |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3073590B2 (en) * | 1992-03-16 | 2000-08-07 | 富士通株式会社 | Electronic data protection system, licensor's device and user's device |
US7191154B2 (en) * | 1995-10-09 | 2007-03-13 | Matsushita Electric Industrial Co., Ltd. | Apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption |
US6438235B2 (en) * | 1998-08-05 | 2002-08-20 | Hewlett-Packard Company | Media content protection utilizing public key cryptography |
JP2000231760A (en) * | 1998-12-11 | 2000-08-22 | Sony Corp | Device and method to record information, device and method to reproduce information and recording medium |
CN1304977C (en) * | 1999-07-06 | 2007-03-14 | 索尼株式会社 | Data providing system, device, and method |
US6772340B1 (en) * | 2000-01-14 | 2004-08-03 | Microsoft Corporation | Digital rights management system operating on computing device and having black box tied to computing device |
WO2001088917A1 (en) * | 2000-05-19 | 2001-11-22 | Matsushita Electric Industrial Co., Ltd. | Data recording medium and reproducing apparatus thereof |
JP2001332023A (en) * | 2000-05-19 | 2001-11-30 | Sony Corp | Data recording device, data reproducing device, data processing device and data recording medium |
US7506376B2 (en) * | 2001-02-05 | 2009-03-17 | Lg Electronics Inc. | Copy protection method for digital media |
JP2002328846A (en) * | 2001-02-20 | 2002-11-15 | Sony Computer Entertainment Inc | Copy management system, computer readable storage medium in which information processing program of client terminal is stored, computer readable storage medium in which information processing program of management server is stored, information processing program of client terminal, information processing program of management server, copy managing method, information processing method of client terminal and information processing method of managing server |
JP4224262B2 (en) * | 2001-07-09 | 2009-02-12 | パナソニック株式会社 | Digital information protection system, recording medium device, transmission device, and playback device |
JP2003037589A (en) | 2001-07-26 | 2003-02-07 | Sony Corp | Device and method for data recording, and device and method for data reproducing |
CN100390892C (en) * | 2001-09-14 | 2008-05-28 | 索尼株式会社 | Recording medium reproduction method and reproduction apparatus and recording medium recording method and recording apparatus |
JP4128348B2 (en) * | 2001-10-25 | 2008-07-30 | 富士通株式会社 | Data management system |
JP4326186B2 (en) * | 2002-04-15 | 2009-09-02 | ソニー株式会社 | Information processing apparatus and method |
JP3863059B2 (en) | 2002-05-02 | 2006-12-27 | ソニー株式会社 | Digital data recording medium, recording method, recording apparatus, reproduction method, reproduction apparatus, transmission method, and transmission apparatus |
GB2389928A (en) | 2002-06-21 | 2003-12-24 | Spero Comm Ltd | Data stored in encrypted form on a data carrier may be accessed by a user when a remote server provides permission |
JP3945644B2 (en) | 2002-11-05 | 2007-07-18 | ソニー株式会社 | Copy number control method, server device, recording control method, and recording control device |
-
2005
- 2005-03-01 EP EP16200749.6A patent/EP3154058B1/en active Active
- 2005-03-01 CN CN2005800076048A patent/CN1930625B/en active Active
- 2005-03-01 EP EP05720102A patent/EP1723649A2/en not_active Ceased
- 2005-03-01 JP JP2006519394A patent/JP4778897B2/en active Active
- 2005-03-01 US US10/590,909 patent/US7933409B2/en active Active
- 2005-03-01 WO PCT/JP2005/003830 patent/WO2005086160A2/en not_active Application Discontinuation
- 2005-03-07 TW TW094106776A patent/TWI379573B/en not_active IP Right Cessation
- 2005-03-08 MY MYPI20050939A patent/MY154954A/en unknown
-
2011
- 2011-01-19 US US13/009,459 patent/US8116452B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20110110517A1 (en) | 2011-05-12 |
US7933409B2 (en) | 2011-04-26 |
US8116452B2 (en) | 2012-02-14 |
JP2007528570A (en) | 2007-10-11 |
WO2005086160A2 (en) | 2005-09-15 |
WO2005086160A3 (en) | 2006-01-26 |
TWI379573B (en) | 2012-12-11 |
EP3154058B1 (en) | 2019-08-07 |
TW200541288A (en) | 2005-12-16 |
EP3154058A1 (en) | 2017-04-12 |
CN1930625A (en) | 2007-03-14 |
EP1723649A2 (en) | 2006-11-22 |
CN1930625B (en) | 2010-05-12 |
US20070198424A1 (en) | 2007-08-23 |
JP4778897B2 (en) | 2011-09-21 |
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